Goldman Sachs CEO David Solomon ‘surprised’ at U.S. economy’s resilience, says ‘it’s a period to be a little bit cautious’

David Solomon, CEO at Goldman Sachs Group, has been 'surprised' at the resilience of the U.S. economy over the course of the last year as the Federal Reserve aggressively tightened its monetary policy, according to his interview Monday with CNBC’s “Squawk on the Street” program.